Leioproctus (Colletellus) aberrans Leijs

Leijs, Remko, Dorey, James & Hogendoorn, Katja, 2018, Twenty six new species of Leioproctus (Colletellus): Australian Neopasiphaeinae, all but one with two submarginal cells (Hymenoptera, Colletidae, Leioproctus), ZooKeys 811, pp. 109-168 : 118-119

Leioproctus (Colletellus) aberrans Leijs sp. n. Figures 2C, 5 A–O

Specimens examined.

(1♂, 1♀): Female holotype: Bon Bon Stn (30.7789S; 135.3841E), 27 Oct. 2010, Leijs, R., on Angianthus brachypappus , SAMA 32-033494, BOLD: AUSBS124-12/RL1629A.

Male allotype: Bon Bon Stn (30.7789S; 135.3841E), 27 Oct. 2010, Leijs, R., on Angianthus brachypappus , SAMA 32-033495, BOLD: AUSBS125-12/RL1629B.

Diagnosis.

Three submarginal cells, distinct posterior hair bands on T2-4.

Description.

Holotype, female, body length: 6.2 mm; head width: 2 mm. Relative head measurements: HW 50, ASD 2.7, AOD 8.5, HL 36, IAD 9.4, LFW 29, OAD 15, OOD 9.7, OW 17, UFW 35, HW/HL 1.4, LFW/UFW 0.8. Relative wing measurements: MSR 1.56, FSR 1.76, SFR 0.83.

Structure: terga not depressed anteriorly; BTP rounded; BTP/tibial length ratio 0.2; inner hind tibial spur pectinate with 8 strong teeth.

Sculpture: scutum smooth with sparse punctures; metapostnotum smooth, shiny, horizontal part as long as vertical; T1 lineo-reticulate, T2-3 transverse lineo-reticulate; clypeus shiny, openly punctate, orange anterior rim; supraclypeal area shiny, closely punctate; labrum smooth orange-brown; ocellocular area smooth, shiny; frons smooth openly to sparsely punctate; scape shiny, almost no punctures.

Coloration: terga anterior brown-orange, posterior margins transparent white, T2-4 with white adpressed hair bands; scopa white; mandibles orange with brown tip; scape black, flagellum F1-3 black, F4-10 orange-brown below.

Pubescence: scutum: dispersed, short, branched; scutellum: dispersed, short, branched; metanotum: dispersed, short, branched; T2-4 with hair bands, long, branched.

Description.

Allotype male, body length: 5.2 mm; head width: 1.8 mm. Relative head measurements: HW 50, ASD 3.5, AOD 7.6, HL 38, IAD 9.4, LFW 27, OAD 14, OOD 9.4, OW 19, UFW 36, HW/HL 1.3, LFW/UFW 0.8. Relative wing measurements: MSR 1.61, FSR 1.76, SFR 0.83.

Structure: terga not depressed anteriorly; BTP rounded; flagellum F1-3 black, F4-10 brown below, shorter than wide; S7: dorsal apical lobe small, ventral apical lobe large, branched setae present on dorsal subcentral apical ridge and apical lobe of ventral apical lobe.

Sculpture: scutum smooth with sparse punctures; metapostnotum smooth, shiny, horizontal part little shorter than vertical; T1 lineo-reticulate, T2-3 transverse lineo-reticulate; clypeus shiny, openly punctate, anterior rim orange; supraclypeal area shiny, closely punctate; ocellocular area smooth, shiny, almost no punctures; frons smooth openly to sparsely punctate.

Coloration: terga anteriorly brown-orange; mandibles brown at base, orange medially with brown tip.

Pubescence: scutum: dispersed, short, branched; scutellum: dispersed, short, branched; metanotum: dispersed, short, branched; S5 with dense hair band, short, branched, S2-4 erect and open hair band; scape black, shiny, almost no punctures.

Remarks.

Both examined specimens have been DNA barcoded, accessible through the following links:

http://www.boldsystems.org/index.php/Public_RecordView?processid=AUSBS124-12

http://www.boldsystems.org/index.php/Public_RecordView?processid=AUSBS125-12

Flower records.

Angianthus brachypappus ( Asteraceae ).

Distribution.

Figure 5O.

Etymology.

The specific epithet ' aberrans ' refers to abnormal wing venation: this species has three submarginal cells instead of two (Fig. 2).